diff --git a/pom.xml b/pom.xml
index 7c8fb35..fabc892 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,7 +16,7 @@
         <openjfx.version>17.0.1</openjfx.version>
         <netty.version>4.1.100.Final</netty.version>
         <slf4j.version>1.8.0-beta2</slf4j.version>
-        <bouncycastle.version>1.67</bouncycastle.version>
+        <bouncycastle.version>1.70</bouncycastle.version>
         <mainClass>net.dongliu.proxy.Main</mainClass>
         <mainModuleName>net.dongliu.proxy</mainModuleName>
     </properties>